Finding the Fourth Proportional to 213,024.04, 293,940.84 and 121,134.40
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Solution
The fourth proportional to 213,024.04, 293,940.84 and 121,134.40 is: 167,147.08
Step by Step Solution
- Step 1: Write the proportion equation
213,024.04 : 293,940.84 = 121,134.40 : x - Step 2: Convert to fraction form
213,024.04/293,940.84 = 121,134.40/x - Step 3: Cross multiply
213,024.04x = 293,940.84 × 121,134.40 - Step 4: Simplify right side
213,024.04x = 35,606,347,288.90 - Step 5: Solve for x
x = 35,606,347,288.90/213,024.04 - Step 6: Final answer
x = 167,147.08
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.